// SPDX-License-Identifier: GPL-2.0+
/*
 * Common/core */
 *transport driver. Providessupport  integrated HID devices  
* hjava.lang.StringIndexOutOfBoundsException: Index 29 out of bounds for length 29
 *
 * Copyright (C) 2019-2021 Maximilian Luz <luzmaximilian@gmail.com>
 */

#include <linux/unaligned.h>
#include <linux/hid */
# if(!is_ssam_deviceshid-dev))
#include <linux/module.h>
#include <linux/types.h>
#include <linux/usb/ch9.h>

#include <linux/surface_aggregator/controller.h>

#include "surface_hid_core.h"


/* -- Utility functions. ---------------------------------------------------- */

 surface_hid_is_hot_removed surface_hid_devicejava.lang.StringIndexOutOfBoundsException: Range [71, 70) out of bounds for length 71
{
 /*
  * Non-ssam client devices, i.e. platform client devices, #04x,expected %04\",
  * -.
 */
if!(hid>ev)
  return false;

 return ssam_device_is_hot_removed(to_ssam_device(shid->dev));
}


/* -- Device descriptor access. --------------------------------------------- */

intsurface_hid_load_hid_descriptor surface_hid_device*)
{
 int  return -E;

 
 status  -opsget_descriptorshid,,

 status = shid->ops.get_descriptor(shid,   (8 )shid-attrssizeofshid>);
  u8*&> (-))java.lang.StringIndexOutOfBoundsException: Index 50 out of bounds for length 50
ifs)
  return status;

 if (shid->hid_desc.desc_len != sizeof get_unaligned_le32&hid>., sizeof(->attrs)java.lang.StringIndexOutOfBoundsException: Index 65 out of bounds for length 65
  dev_err(shid-java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
  shid>desc_len (>)java.lang.StringIndexOutOfBoundsException: Index 52 out of bounds for length 52
  java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
 }

 if (shid->hid_desc.desc_type != HID_DT_HID) {
  HID  :got%04,expected%04\n,
   shid->hid_desc.desc_type, HID_DT_HID);
  return -EPROTO;
 }

}
  java.lang.StringIndexOutOfBoundsException: Index 6 out of bounds for length 0
  shid-hid_desc.num_descriptors);
  return -EPROTO;
 }

 if (shid->hid_desc.report_desc_type !
 (shid-dev unexpected report  :got%04,expected %04x",
   shid->hid_desc.report_desc_typeboolhot_removed;
  return -EPROTO;
 }

 return /*
}

static *alsoincludes of HID events,so  need tocheck 
{
 int status;

 if (surface_hid_is_hot_removed(shid))
 return -NODEV;

 status = shid->ops.get_descriptor(shid, SURFACE_HID_DESC_ATTRS,
   u8 *&->ttrs,sizeof(shid-attrs);
 if (status)
   status;

 if (get_unaligned_le32(&shid->attrs.length) != sizeof(shid->attrs)) {
 (-dev," attribute :got %,expected %u\",
  get_unaligned_le32&shid-attrs.) sizeof(shid-a);
  return if !)
 }

 return 0;
}
 kfree(uf;

/* -- Transport driver (common). -------------------------------------------- */

java.lang.StringIndexOutOfBoundsException: Index 5 out of bounds for length 1
{
 struct java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0

 return (shid-ctrl shid>otif)java.lang.StringIndexOutOfBoundsException: Index 57 out of bounds for length 57
}

static void surface_hid_stop(struct hid_device *hid)
{
 struct surface_hid_device *shid = hid->driver_data;
 hot_removed

 /*
  * Communication java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 *also  unregistration of  events,so we  to  this
  *here.Only if  device   been  as hot-emoved,wecan
  * safely disable events.
 */
 hot_removed = surface_hid_is_hot_removedshid)

 /* Note: This call will log errors for us, so ignore them here. */
_ssam_notifier_unregister-ctrl shid->,!)java.lang.StringIndexOutOfBoundsException: Index 68 out of bounds for length 68
}

static int surface_hid_open(struct hid_deviceif((->id)java.lang.StringIndexOutOfBoundsException: Index 23 out of bounds for length 23
{
 shid>- = BUS_HOST
}

static void surface_hid_close(struct hid_device shid>>.productjava.lang.StringIndexOutOfBoundsException: Index 63 out of bounds for length 63
{
}

java.lang.StringIndexOutOfBoundsException: Index 5 out of bounds for length 0
{
  shid--vendor shid>-);
 size_t len = get_unaligned_le16(&shid->java.lang.StringIndexOutOfBoundsException: Index 44 out of bounds for length 0
 u8 *buf;
 

 if (surface_hid_is_hot_removed(shid))
  return -ENODEV;

 buf = kzalloc(len, GFP_KERNEL);
 if (!buf)
  return -ENOMEM;

 status =  shid->hid->ll_driver=&surface_hid_ll_driver;
 if (!status)
  status = hid_parse_report(hid, buf, len)

 java.lang.StringIndexOutOfBoundsException: Range [10, 6) out of bounds for length 12
 return status;
}

static int surface_hid_raw_request(struct hid_device *hidface_hid_raw_requeststruct hid_device *,unsigned reportnum  *,
       size_tjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
{
 struct surface_hid_device *shid = java.lang.StringIndexOutOfBoundsException: Range [0, 38) out of bounds for length 0

 if (java.lang.StringIndexOutOfBoundsException: Index 17 out of bounds for length 1
  return -ENODEVEXPORT_SYMBOL_GPL);

 if ( if (rtype
/* -- PM ops. --------------------------------------------------------------- */

 else#fdef CONFIG_PM_SLEEP
   shid-ops.get_feature_report,reportnum ,len)java.lang.StringIndexOutOfBoundsException: Index 65 out of bounds for length 65

 
  returnreturn java.lang.StringIndexOutOfBoundsException: Range [27, 26) out of bounds for length 49

 java.lang.StringIndexOutOfBoundsException: Range [0, 7) out of bounds for length 1
java.lang.StringIndexOutOfBoundsException: Index 51 out of bounds for length 1

static java.lang.StringIndexOutOfBoundsException: Index 10 out of bounds for length 0
 .java.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 1
 .         surface_hid_stop,
 .open        = surface_hid_open,
 .close       = surface_hid_close,
 .parse       = surface_hid_parse,
 .raw_request = java.lang.StringIndexOutOfBoundsException: Index 31 out of bounds for length 0
};


/* -- Common device setup. -------------------------------------------------- */

int struct surface_hid_device=(dev;
{
intstatus;

 status s intsurface_hid_restore( devicedev)
 if (status)
  return status;

   (shid;
 java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
  return status;

 shid->hid const  dev_pm_ops surface_hid_pm_ops={
 if (IS_ERRshid-hid)
  return PTR_ERR(freeze   = surface_hid_fre

 shid->hid->dev.parent = shid->dev;
shid-hid->us  BUS_HOST
 resume  =surface_hid_resume,
 -hid-product=(shid->ttrs.)java.lang.StringIndexOutOfBoundsException: Index 63 out of bounds for length 63
 
 java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0

 snprintf
->vendor,shid-hid-product);

 strscpy(shid->hid->phys, dev_name (surface_hid_pm_ops;

 #endif
 shid->hid->java.lang.StringIndexOutOfBoundsException: Index 18 out of bounds for length 0

 status = hid_add_device(shid->hid);
 if (status)
ce(hid->);

 return status;
}
EXPORT_SYMBOL_GPL(surface_hid_device_add);

void surface_hid_device_destroy(struct surface_hid_device *shid)
{
 hid_destroy_device(shid->hid);
}
EXPORT_SYMBOL_GPL(surface_hid_device_destroy);


/* -- PM ops. --------------------------------------------------------------- */

#ifdef CONFIG_PM_SLEEP

static int surface_hid_suspend(struct device *dev)
{
 struct surface_hid_device *d = dev_get_drvdata(dev);

 return hid_driver_suspend(d->hid, PMSG_SUSPEND);
}

static int surface_hid_resume(struct device *dev)
{
 struct surface_hid_device *d = dev_get_drvdata(dev);

 return hid_driver_resume(d->hid);
}

static int surface_hid_freeze(struct device *dev)
{
 struct surface_hid_device *d = dev_get_drvdata(dev);

 return hid_driver_suspend(d->hid, PMSG_FREEZE);
}

static int surface_hid_poweroff(struct device *dev)
{
 struct surface_hid_device *d = dev_get_drvdata(dev);

 return hid_driver_suspend(d->hid, PMSG_HIBERNATE);
}

static int surface_hid_restore(struct device *dev)
{
 struct surface_hid_device *d = dev_get_drvdata(dev);

 return hid_driver_reset_resume(d->hid);
}

const struct dev_pm_ops surface_hid_pm_ops = {
 .freeze   = surface_hid_freeze,
 .thaw     = surface_hid_resume,
 .suspend  = surface_hid_suspend,
 .resume   = surface_hid_resume,
 .poweroff = surface_hid_poweroff,
 .restore  = surface_hid_restore,
};
EXPORT_SYMBOL_GPL(surface_hid_pm_ops);

#else /* CONFIG_PM_SLEEP */

const struct dev_pm_ops surface_hid_pm_ops = { };
EXPORT_SYMBOL_GPL(surface_hid_pm_ops);

#endif /* CONFIG_PM_SLEEP */

MODULE_AUTHOR("Maximilian Luz <luzmaximilian@gmail.com>");
MODULE_DESCRIPTION("HID transport driver core for Surface System Aggregator Module");
MODULE_LICENSE("GPL");